Cobalt
Cape Girardeau
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
8
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 11.7 ppb | 8 | 1 | ND - 93.4 ppb |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 70 ppb
The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-03-19 | AB94138 | ND |
| 2013-03-19 | AB94140 | ND |
| 2013-03-19 | AB94142 | ND |
| 2013-03-19 | AB94136 | 93.4 ppb |
| 2013-09-23 | AC10485 | ND |
| 2013-09-23 | AC10489 | ND |
| 2013-09-23 | AC10483 | ND |
| 2013-09-23 | AC10487 | ND |